InChI=1/C21H26N4O3/c1-16-6-2-3-8-18(16)15-24-12-10-19(11-13-24)23-21(26)22-14-17-7-4-5-9-20(17)25(27)28/h2-9,19H,10-15H2,1H3,(H2,22,23,26)/p+1/fC21H27N4O3/h22-24H/q+1 DFBB3C59CA6A3401